| 10313 | Director's Report for 1937 Faunal Notes | | | - American Museum of Natural History
| - Clitellio arenarius
- Tubifex benedeni
- Notoplana atomata
- Leptoplana variabilis
- Leptoplana ellipsoid
- Alonocelis
- Plagiostomum album
- Plagiostomum
- Triclad
- Hydra americana
- Euplanaria tigrina
- Typhloplana
- Gyratrix hermaphroditus
- Dalyellia
- Stenostomum
| - Marine worm
- Benedict's tubifex
- Speckled flatworm
- Variable flatworm
- Flatworm
- Marine flatworm
- White flatworm
- Flatworm
- Three-branched flatworm
- American hydra
- Tiger flatworm
- Blind flatworm
- Flatworm
- Flatworm
- Flatworm
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| 10233 | Report of Work on Rotifera on Mount Desert Island -1931 | | | - American Museum of Natural History
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| 10334 | Revision of the Work of Pearse and Walker on Littoral Polyclads of New England and Adjacent Parts of Canada | | | - American Museum of Natural History
| - Leptoplana angusta
- Stylochus frontalis
- Coronadena mutabilis
- Discocelides ellipsoids
- Stylochus ellipticus
- Stylochus zebra
- Notoplana automata
- Prosthiostomum gracile
- Gnesioceros floridana
- Hoploplana inquilina
- Eurylepta maculosa
| - Flatworm
- Frontal flatworm
- Flatworm
- Marine flatworm
- Oyster flatworm
- Zebra flatworm
- Speckled flatworm
- Marine flatworm
- Marine flatworm
- Polyclad flatworm
- Candy-striped flatworm
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| 10214 | Rotifera | | | - American Museum of Natural History
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| 10312 | The Water Content of Medusae (Aurelia) | | | - American Museum of Natural History
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